162020443 has 4 divisors (see below), whose sum is σ = 174483568. Its totient is φ = 149557320.

The previous prime is 162020437. The next prime is 162020449. The reversal of 162020443 is 344020261.

It is a happy number.

162020443 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (162020437) and next prime (162020449).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-162020443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (162020449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6231543 + ... + 6231568.

It is an arithmetic number, because the mean of its divisors is an integer number (43620892).

Almost surely, 2^162020443 is an apocalyptic number.

162020443 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

162020443 is a deficient number, since it is larger than the sum of its proper divisors (12463125).

162020443 is a wasteful number, since it uses less digits than its factorization.

162020443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12463124.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 162020443 is about 12728.7251129090. The cubic root of 162020443 is about 545.1591073767.

The spelling of 162020443 in words is "one hundred sixty-two million, twenty thousand, four hundred forty-three".